| ration |
a fixed share or portion. [5 definitions] |
| rational |
based on sound reasoning; sensible. [3 definitions] |
| rattle |
to make a series of hard, short, knocking sounds. [6 definitions] |
| rattle off |
to list or recite quickly from memory. |
| rattlesnake |
a venomous snake found in North, Central, and South America. A rattlesnake has a structure at the end of its tail that makes a rattling sound when the snake shakes it. |
| rave |
to talk with much enthusiasm; praise. [2 definitions] |
| ravel |
to separate into loose threads; unravel. |
| raven1 |
a large, shiny, black bird that looks like a crow. It makes a sound like a loud, sharp croak. [2 definitions] |
| ravenous |
very hungry; starved. |
| ravine |
a deep, narrow valley. Ravines are usually created by flowing water. |
| ravioli |
(used with a singular or plural verb) small packets of pasta filled with ground meat, cheese, or other similar mixtures. |
| raw |
not cooked or changed by any process. [4 definitions] |
| rawhide |
cattle skin or hide that has not been tanned. [2 definitions] |
| ray1 |
a thin beam of light or some other radiation. [3 definitions] |
| ray2 |
a fish with a flat body and a skeleton made of cartilage. Rays have broad fins and long, narrow tails. |
| rayon |
a thread made from cellulose. [2 definitions] |
| razor |
a tool with a very sharp blade that is used for shaving hair from the body or face. |
| RBI |
the number of runs a baseball player has caused to be scored over a given time. "RBI" is an abbreviation of "runs batted in." |
| re- |
a prefix that means "again" or "anew." [2 definitions] |
| reach |
to extend or stretch as far as. [11 definitions] |
| react |
to act, or feel a certain way, in response to something. [2 definitions] |